| # This testcase is part of GDB, the GNU debugger. |
| |
| # Copyright 2004-2022 Free Software Foundation, Inc. |
| |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 3 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| |
| |
| # This test verifies that a macro using backtrace can be applied to all threads |
| # and will continue for each thread even though an error may occur in |
| # backtracing one of the threads. |
| |
| standard_testfile |
| if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable debug] != "" } { |
| return -1 |
| } |
| |
| clean_restart ${binfile} |
| |
| # |
| # Run to `main' where we begin our tests. |
| # |
| |
| if {![runto_main]} { |
| return 0 |
| } |
| |
| # Break after all threads have been started. |
| set break_line [gdb_get_line_number "Break here"] |
| gdb_test "b $break_line" ".*" |
| gdb_test "continue" |
| |
| gdb_test_multiple "define backthread" "defining macro" { |
| -re "Type commands for definition of \"backthread\".\r\nEnd with a line saying just \"end\".\r\n>$" { |
| gdb_test_multiple "bt\np/x 20\nend" "macro details" { |
| -re "$gdb_prompt $" { |
| pass "macro details" |
| } |
| } |
| pass "defining macro" |
| } |
| } |
| |
| # Cause backtraces to fail by setting a limit. This allows us to |
| # verify that the macro can get past the backtrace error and perform |
| # subsequent commands. |
| gdb_test_no_output "set backtrace limit 3" |
| gdb_test "thread apply all backthread" "Thread ..*\\\$\[0-9]+ = 0x14.*Thread ..*\\\$\[0-9]+ = 0x14.*Thread ..*\\\$\[0-9]+ = 0x14.*Thread ..*\\\$\[0-9]+ = 0x14.*Thread ..*\\\$\[0-9]+ = 0x14.*Thread ..*\\\$\[0-9]+ = 0x14" |
| |
| # Go into the thread_function to check that a simple "thread apply" |
| # does not change the selected frame. |
| gdb_test "step" "thread_function.*" "step to the thread_function" |
| gdb_test "up" ".*in main.*" "go up in the stack frame" |
| gdb_test "thread apply all print 1" "Thread ..*\\\$\[0-9]+ = 1.*Thread ..*\\\$\[0-9]+ = 1.*Thread ..*\\\$\[0-9]+ = 1.*Thread ..*\\\$\[0-9]+ = 1.*Thread ..*\\\$\[0-9]+ = 1.*Thread ..*\\\$\[0-9]+ = 1" "run a simple print command on all threads" |
| gdb_test "down" "#0.*thread_function.*" "go down and check selected frame" |
| |
| # Make sure that GDB doesn't crash when the previously selected thread |
| # exits due to the command run via thread apply. Regression test for |
| # PR threads/13217. |
| |
| proc thr_apply_detach {thread_set} { |
| with_test_prefix "thread apply $thread_set" { |
| global binfile |
| global break_line |
| |
| clean_restart ${binfile} |
| |
| if ![runto_main] { |
| return -1 |
| } |
| |
| gdb_breakpoint "$break_line" |
| gdb_continue_to_breakpoint "all threads started" |
| |
| gdb_test "thread apply $thread_set detach" "Thread .*" |
| gdb_test "thread" "No thread selected" "switched to no thread selected" |
| } |
| } |
| |
| # Test both "all" and a thread list, because those are implemented as |
| # different commands in GDB. |
| foreach thread_set {"all" "1.1 1.2 1.3"} { |
| thr_apply_detach $thread_set |
| } |
| |
| # Test killing and removing inferiors from a command run via "thread |
| # apply THREAD_SET". THREAD_SET can be either "1.1", or "all". GDB |
| # used to mistakenly allow deleting the previously-selected inferior, |
| # in some cases, leading to crashes. |
| |
| proc kill_and_remove_inferior {thread_set} { |
| global binfile |
| global gdb_prompt |
| |
| # The test starts multiple inferiors, therefore non-extended |
| # remote is not supported. |
| if [use_gdb_stub] { |
| unsupported "using gdb stub" |
| return |
| } |
| |
| set any "\[^\r\n\]*" |
| set ws "\[ \t\]\+" |
| |
| clean_restart ${binfile} |
| |
| with_test_prefix "start inferior 1" { |
| runto_main |
| } |
| |
| # Add and start inferior number NUM. |
| proc add_and_start_inferior {num} { |
| global binfile |
| |
| # Start another inferior. |
| gdb_test "add-inferior" "Added inferior $num.*" \ |
| "add empty inferior $num" |
| gdb_test "inferior $num" "Switching to inferior $num.*" \ |
| "switch to inferior $num" |
| gdb_test "file ${binfile}" ".*" "load file in inferior $num" |
| |
| with_test_prefix "start inferior $num" { |
| runto_main |
| } |
| } |
| |
| # Start another inferior. |
| add_and_start_inferior 2 |
| |
| # And yet another. |
| add_and_start_inferior 3 |
| |
| gdb_test "thread 2.1" "Switching to thread 2.1 .*" |
| |
| # Try removing an active inferior via a "thread apply" command. |
| # Should fail/warn. |
| with_test_prefix "try remove" { |
| |
| gdb_define_cmd "remove" { |
| "remove-inferiors 3" |
| } |
| |
| # Inferior 3 is still alive, so can't remove it. |
| gdb_test "thread apply $thread_set remove" \ |
| "warning: Can not remove active inferior 3.*" |
| # Check that GDB restored the selected thread. |
| gdb_test "thread" "Current thread is 2.1 .*" |
| |
| gdb_test "info inferiors" \ |
| [multi_line \ |
| "${ws}1${ws}process ${any}" \ |
| "\\\* 2${ws}process ${any}" \ |
| "${ws}3${ws}process ${any}" \ |
| ] |
| } |
| |
| # Kill and try to remove inferior 2 while inferior 2 is selected. |
| # Removing the inferior should fail/warn. |
| with_test_prefix "try kill-and-remove" { |
| |
| # The "inferior 1" command works around PR gdb/19318 ("kill |
| # inferior N" shouldn't switch to inferior N). |
| gdb_define_cmd "kill-and-remove" { |
| "kill inferiors 2" |
| "inferior 1" |
| "remove-inferiors 2" |
| } |
| |
| # Note that when threads=1.1, this makes sure we're really |
| # testing failure to remove the inferior the user had selected |
| # before the "thread apply" command, instead of testing |
| # refusal to remove the currently-iterated inferior. |
| gdb_test "thread apply $thread_set kill-and-remove" \ |
| "warning: Can not remove current inferior 2.*" |
| gdb_test "thread" "No thread selected" \ |
| "switched to no thread selected" |
| |
| gdb_test "info inferiors" \ |
| [multi_line \ |
| "${ws}1${ws}process ${any}" \ |
| "\\\* 2${ws}<null>${any}" \ |
| "${ws}3${ws}process ${any}" \ |
| ] |
| } |
| |
| # Try removing (the now dead) inferior 2 while inferior 1 is |
| # selected. This should succeed. |
| with_test_prefix "try remove 2" { |
| |
| gdb_test "thread 1.1" "Switching to thread 1.1 .*" |
| |
| gdb_define_cmd "remove-again" { |
| "remove-inferiors 2" |
| } |
| |
| set test "thread apply $thread_set remove-again" |
| gdb_test_multiple $test $test { |
| -re "warning: Can not remove.*$gdb_prompt $" { |
| fail $test |
| } |
| -re "$gdb_prompt $" { |
| pass $test |
| } |
| } |
| gdb_test "thread" "Current thread is 1.1 .*" |
| # Check that only inferiors 1 and 3 are around. |
| gdb_test "info inferiors" \ |
| [multi_line \ |
| "\\\* 1${ws}process ${any}" \ |
| "${ws}3${ws}process ${any}" \ |
| ] |
| } |
| } |
| |
| # Test both "all" and a thread list, because those are implemented as |
| # different commands in GDB. |
| foreach_with_prefix thread_set {"all" "1.1"} { |
| kill_and_remove_inferior $thread_set |
| } |